Locate the save or mission folder and create a backup copy of it on your desktop.
(from community archives):
If you want, tell me which platform/version you have (retail CD, GOG, Steam, or patched release) and I’ll provide direct links and the most compatible save/trainer/mod instructions. project igi 1 all missions unlock
After installing Project IGI (the original CD version or a digital re-release like GOG.com), navigate to the installation directory. Look for a subfolder named SaveGames or Profiles . If using Windows 10/11 with compatibility mode, it may be in %USERPROFILE%\Documents\Project IGI .
Alternatively, you can use cheat codes to unlock all missions. Here's how: Locate the save or mission folder and create
You can also unlock all missions by editing the game's configuration files. Here's how:
Skipping levels defeats the purpose of IGI’s challenge, but for returning players who have beaten the game before or those experiencing save corruption, unlocking all missions is a . Use it to practice the notoriously difficult Mission 9 ("The Bridge") or the stealth-heavy Mission 12 without replaying the earlier Russian outpost levels. Look for a subfolder named SaveGames or Profiles
Interestingly, for Project IGI 1 , a pure "unlock all missions" save file is somewhat rare to find functioning correctly on modern Windows 10/11 systems without using a third-party tool. The game is so old that simply replacing a save file often requires running the game in compatibility mode, adding a layer of technical archaeology to the simple act of cheating.